1996 Buick Park Avenue Owner's Manual - Page 137
1996 Buick Park Avenue Manual
Page 137 highlights
Door Ajar Light (Option) When the ignition is on, this light will stay on until all the doors are closed and DOOR AJAR The reset button is in theglove box. With the ignition key in theRUN position, push the reset button. Hold it in for at least five seconds, but not more than 60 seconds. After five seconds, the CHANGE OIL SOON light will flash four times and then go off. This indicates that the Oil LifeMonitor System has been reset. Trunk Ajar Light (Option) If this light stays on with the ignition on, it means or that the trunk lid is open not completely latched. TRUNK AJAR